Vintage Lapis Lazuli Domed Cabochon Cocktail Ring

This Lapis Lazuli Domed Cabochon Cocktail Ring is accented with a double halo of diamonds, set in 18 karat yellow gold.  Circa 1960's.  Lapis Lazuli is a deep blue semi precious stone of metamorphic rock with intense color observed in antiquity. This item comes with independent appraisal.  Big & Blue!  Only 1 available.  In Stock. Metal:  Purity 18 karat yellow gold (HRF tested) Metal Finish:  High Polish Gem/Material:  Lapis, Diamond Gem Measurements:  see each below Center stone, Round 14.00 x 14.00 x 8.60 mm (approximate) Weight: 13.00 carats (estimated) Clarity: Opaque, Metallic Gem  Color: Dark, Moderately Strong, violetish Blue (vB 7/4) Diamond Melee attributes, Shape and cut:  Round single cut Weight: 0.015 to 0.01 carats each Number of diamonds: Total 16 Weight 0.20 carats (calculated, estimated) Clarity: SI2-I1 Color: G-H Lapis Lazuli attributes, Shape and cut:  Marquise cabochon Weight:  8.50 mm to 4.00 mm carats each Number: 16 Clarity: Opaque, Metallic Gem  Color: Dar